CVE-2019-3921 in the critical feed json
The Alcatel Lucent I-240W-Q GPON ONT using firmware version 3FE54567BOZJ19 is vulnerable to a stack buffer overflow via crafted HTTP POST r…
published 2019-03-05 7 y ago modified 2026-06-17 4 mo ago also EUVD-2019-13528
- cvss
- 8.8
- version 3.1, NVD
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 17.9%
- EPSS 17.9% chance of exploitation in 30 days, percentile 97%
- public exploits
- 1
- Exploit-DB
Summary
The Alcatel Lucent I-240W-Q GPON ONT using firmware version 3FE54567BOZJ19 is vulnerable to a stack buffer overflow via crafted HTTP POST request sent by a remote, authenticated attacker to /GponForm/usb_Form?script/. An attacker can leverage this vulnerability to potentially execute arbitrary code.
Timeline
- First public exploit (EDB-46469)
- Published
Exploit prediction
17.89% chance of exploitation in the next 30 days, higher than 97% of all scored CVEs (FIRST EPSS, 2026-11-08).
Exploits and checks
- EDB-46469 Alcatel-Lucent (Nokia) GPON I-240W-Q - Buffer Overflow remote, 2019-02-28
- tenable.com https://www.tenable.com/security/research/tra-2019-09 referenced PoC, tagged "exploit" by a source, unverified
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| NVD | 3.1 | 8.8 | CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H |
| NVD | 2.0 | 6.5 | AV:N/AC:L/Au:S/C:P/I:P/A:P |
Affected products
- Tenable Alcatel Lucent I-240W-Q GPON ONT
Classification
References
-
exploit-db.com
/exploits/46469/
exploit, third-party-advisory, vdb-entry
-
tenable.com
/security/research/tra-2019-09
exploit, third-party-advisory
Sources
- CVE List CVE-2019-3921
- NVD CVE-2019-3921
Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.